Home / 5,477.94-8,214.96-1,581.54

Finding the Fourth Proportional to 5,477.94, 8,214.96 and 1,581.54

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Solution

The fourth proportional to 5,477.94, 8,214.96 and 1,581.54 is: 2,371.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.94 : 8,214.96 = 1,581.54 : x
  2. Step 2: Convert to fraction form
    5,477.94/8,214.96 = 1,581.54/x
  3. Step 3: Cross multiply
    5,477.94x = 8,214.96 × 1,581.54
  4. Step 4: Simplify right side
    5,477.94x = 12,992,287.84
  5. Step 5: Solve for x
    x = 12,992,287.84/5,477.94
  6. Step 6: Final answer
    x = 2,371.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.